Synthesis of (Ti,V)C reinforced iron-based composites Online publication date: Sat, 07-Nov-2015
by Jing Wang; Sijing Fu
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 10, No. 3/4, 2015
Abstract: This research aims to produce vanadium- and titanium-carbide particulate-reinforced iron-based composite for wear-resistant applications. In situ synthesis technique is used to produce the composite through the reaction: FeV + Ti + C = (Ti,V)C + Fe. The microstructure of the Fe-(Ti,V)C composite with different V/Ti atomic ratios was studied with the help of scanning electron microscopy, energy dispersive spectrometer and transmission electron microscopy. Three-point bend tests and pin-on-disc dry sliding wear tests had been carried out to study the mechanical properties and wear behaviour of Fe-(Ti,V)C composite, respectively. The results show that fine (Ti,V)C particulates distribute uniformly in pearlite matrix; the interface between the iron matrix and (Ti,V)C particulate is clean, and no interface precipitates are found; when V/Ti atomic ratio is 0.4, the bend strength and the wear weight loss of the composites achieve maximum and minimum, respectively.
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